The Case-IH 87555944 is a genuine OEM connecting rod bearing set, specifically designed as an undersize replacement part. This set is crucial for engine repair and maintenance, ensuring proper crankshaft and connecting rod function. It is compatible with a range of Case-IH agricultural and construction machinery, including numerous tractor models like the Magnum, MX, Puma, and Maxxum series, as well as combine harvesters and industrial equipment. This undersize bearing set provides the necessary clearance adjustments for reconditioned crankshafts, restoring optimal engine performance and longevity.